R410a Copper Fittings 1.Manufacturer -ISO9001-2000 2.UPC,NSF61,WRAS 3, ASME B16.22/EN1254-1 (Mueller,Elkhart,Nibco) R410A High Pressure Refrigeration Fittings Working Pressure(Mpa) NameO.D SizeMin Thickness(mm)50°C 55°C 60°C 65°C70°C75°CANSI B16.22 REF410A1/4"0.8110.63510.0129.5539.2218.9828.819ANSI B16.22 REF410A3/8"0.816.7926.3956.1015.8895.7375.639ANSI B16.22 REF410A1/2"0.814.9944.7014.4864. ...